Average Co-Inventor Count = 2.32
ph-index = 1
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Pfizer Corporation (2 from 4,455 patents)
2. Warner-lambert Company (2 from 2,538 patents)
4 patents:
1. 7390838 - Depigmenting agents
2. 7338979 - Depigmentation agents
3. 6797731 - Resorcinol derivatives
4. 6541473 - Resorcinol derivatives